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2008 Cadillac Escalade ESV 6.2L MIL Lamp on
I'm having trouble with this one. Vehicle came for check engine light, no drive-ability issues. Codes stored, P0420 - Cat efficiency B1, P0442 - EVAP small leak, P2271 - HO2S B1S2 stuck rich, P0138 - HO2S B1S2 signal circuit high voltage, P0506 - Idle spee...
FIX posted 5/10/2022
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Related Documents & Media | VIN | 1GYFK66808 |
| Engine | 6.2 L / 8 cyl / GAS |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection / MFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
| P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching |
Message Closed
Vehicle Data
2008 Cadillac Escalade ESV
| VIN | 1GYFK66808 |
| Engine | 6.2 L / 8 cyl / GAS |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection / MFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
| P1133 | Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching |
Video